US9068413B2 - Multi-piston hydrostatic setting tool with locking feature and pressure balanced pistons - Google Patents
Multi-piston hydrostatic setting tool with locking feature and pressure balanced pistons Download PDFInfo
- Publication number
- US9068413B2 US9068413B2 US13/618,406 US201213618406A US9068413B2 US 9068413 B2 US9068413 B2 US 9068413B2 US 201213618406 A US201213618406 A US 201213618406A US 9068413 B2 US9068413 B2 US 9068413B2
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- United States
- Prior art keywords
- setting tool
- pistons
- pressure
- piston
- port
- Prior art date
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- 230000002706 hydrostatic effect Effects 0.000 title claims abstract description 18
- 230000007246 mechanism Effects 0.000 abstract description 7
- 241000282472 Canis lupus familiaris Species 0.000 description 8
- 238000013459 approach Methods 0.000 description 3
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B23/00—Apparatus for displacing, setting, locking, releasing, or removing tools, packers or the like in the boreholes or wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B23/00—Apparatus for displacing, setting, locking, releasing, or removing tools, packers or the like in the boreholes or wells
- E21B23/04—Apparatus for displacing, setting, locking, releasing, or removing tools, packers or the like in the boreholes or wells operated by fluid means, e.g. actuated by explosion
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B23/00—Apparatus for displacing, setting, locking, releasing, or removing tools, packers or the like in the boreholes or wells
- E21B23/04—Apparatus for displacing, setting, locking, releasing, or removing tools, packers or the like in the boreholes or wells operated by fluid means, e.g. actuated by explosion
- E21B23/0412—Apparatus for displacing, setting, locking, releasing, or removing tools, packers or the like in the boreholes or wells operated by fluid means, e.g. actuated by explosion characterised by pressure chambers, e.g. vacuum chambers
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B23/00—Apparatus for displacing, setting, locking, releasing, or removing tools, packers or the like in the boreholes or wells
- E21B23/04—Apparatus for displacing, setting, locking, releasing, or removing tools, packers or the like in the boreholes or wells operated by fluid means, e.g. actuated by explosion
- E21B23/042—Apparatus for displacing, setting, locking, releasing, or removing tools, packers or the like in the boreholes or wells operated by fluid means, e.g. actuated by explosion using a single piston or multiple mechanically interconnected pistons
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/12—Packers; Plugs
- E21B33/129—Packers; Plugs with mechanical slips for hooking into the casing
- E21B33/1295—Packers; Plugs with mechanical slips for hooking into the casing actuated by fluid pressure
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
Definitions
- the field of the invention is hydrostatically operated actuators for subterranean tools and more particularly in very deep applications where space is limited and high burst and collapse resistance is required for locking and actuation components.
- While the ultimate mission of a tool may be unchanged, such as using hydrostatic pressure with the addition of pressure from the surface into an annulus to set a tool such as a packer, the configuration of the tool has to change to handle the new parameters that come into play from ultra-deep deployments of such tools.
- FIG. 1 The present invention is illustrated using an example of an existing tool discussed below and shown in FIG. 1 with a redesigned tool for deep applications shown in FIG. 2 a - 2 b . While the context for the illustration of the inventive concept is hydrostatically operated tool actuators, the scope of the invention will be understood by those skilled in the art to be found in the appended claims.
- FIG. 1 shows a model SB-3H Hydrostatic Setting Tool/Packer currently offered by Baker Hughes Incorporated of Houston, Tex.
- the packer has slips 3 that move out radially by riding up on cones 5 , 16 .
- the seal assembly includes components 7 through 14 as illustrated in FIG. 1 .
- a lock ring assembly 18 , 19 holds the set position that is not shown.
- a stop ring 2 acts as a backup to the assembly of shifting pistons 23 and 39 . When the pistons 23 and 39 are unlocked for movement toward the stop ring 2 , the packer is set in the known manner.
- the driving force for piston 44 is the annulus pressure entering chamber 100 , after the rupture disc 45 is broken, on one side and atmospheric pressure trapped in chamber 102 on the other side.
- the locking components for the piston 39 are in the atmospheric chamber 102 .
- Chamber 104 is also initially at atmospheric pressure so as to put piston 39 initially in pressure balance to annulus pressure and to the opposed atmospheric chambers 102 and 104 acting in opposing direction.
- piston 39 overlays dogs 38 to prevent movement of piston 23 .
- Piston 23 is subjected to an unbalanced force with exposure to the annulus at its lower end near dogs 38 and exposure to atmospheric pressure from chamber 106 acting in opposition. Movement of piston 39 to liberate dogs 38 allows the unbalanced pressure on piston 23 to move uphole in tandem with piston 39 to set the packer in the manner described above.
- the design While the above described design functioned well for moderate depth of about 5,000 meters the design incorporates features that at 8,000 meters or more would cause component failure making the device inoperable.
- One of the issues with the present design is the quantity of the net force that has to be retained by a lock assembly when any of the pistons is subjected to an unbalanced force before setting. The greater depths just magnify this force level causing the locking system to be more robust or to be subject to failure.
- the design also features not only a locking system for each piston but also location of at least a part of the locking system inside atmospheric chambers. At greater depths the differential pressures on atmospheric chambers are magnified forcing the components to be thicker walled structures to resist collapse or burst pressures.
- the present invention presents several unique and independent approaches to actuation tools triggered by hydrostatic or/and applied pressure in an annulus.
- One approach is to put multiple pistons in pressure balance to annulus pressure.
- Another is to move the locking mechanism from outside any atmospheric chamber.
- Yet another is to use a single locking mechanism for all the pistons and to reduce the loading on such a locking mechanism by using pressure balanced piston.
- the use of a single lock for all the pistons reduces component redundancy leaving space to make components thicker to handle the expected differential pressure loads at depths in excess of 8,000 meters.
- a hydraulically actuated setting tool has a plurality of pistons that move in tandem when unlocked.
- the pistons are initially in pressure balance to take a load off a single locking mechanism that retains all the pistons.
- the pistons move due to admission of hydrostatic and/or applied pressure from the annulus on one side of each piston with an opposite side exposed to atmospheric pressure.
- the locking member is exposed to the annulus and is located away from any atmospheric chambers associated with the pistons. In this manner the components can be made thicker to resist burst and collapse pressure and the loads on the locking member reduced due to initial piston pressure balance configuration. Depths of greater than 8,000 meters can be used due to one or more of the described design features.
- FIG. 1 is a section view of a known hydrostatic setting tool for a packer
- FIGS. 2 a - 2 d are a section view of the tool of the present invention in the run in position
- FIGS. 3 a - 3 d are the tool of FIGS. 2 a - 2 d shown in the lock about to release position;
- FIGS. 4 a - 4 d are the tool of FIGS. 2 a - 2 d in the fully released position.
- the tool 200 has a multi-component mandrel 202 , 204 and 206 with mandrel 202 supported by a running string that also supports a tool to be set such as a packer. These uphole devices are omitted to focus the drawings on the tool 200 , which is the focus of the present invention.
- a bottom sub 208 is connected to mandrel component 206 and can support other equipment or a tubular string which are also omitted.
- Collet housing 210 is secured at thread 212 to the bottom sub 208 .
- Collet fingers 214 extend from lower end 216 at collet housing 210 and further features heads 218 with external thread pattern 220 to engage a mating thread pattern 222 on piston 224 .
- Support piston 226 is initially fixed with one or more shear pins 228 for run in.
- Raised surface 230 initially supports the heads 218 so that the thread patterns 220 and 222 stay in engagement to prevent movement of piston 224 .
- Rupture disc 232 initially covers passage 234 that leads to chamber 236 defined by seal pairs 238 and 240 . When the rupture disc 232 is broken by hydrostatic pressure with or without added pressure from the surface, the raised pressure in chamber 236 pushes support piston 226 to the right so that thread patterns 220 and 222 can separate as the heads 218 become unsupported.
- Movement of support piston 226 to the right breaks the shear pin or pins 228 and displaces floating piston 242 toward shoulder 244 while reducing the volume of chamber 246 that is initially at atmospheric pressure for the purpose of creating a pressure differential against support piston 226 when the rupture disc 232 breaks as does the shear pin or pins 228 .
- Chamber 248 is initially at the same pressure as chamber 236 to put the piston 224 in pressure balance from these opposed chambers.
- Seal pair 250 is the same size as seal pair 240 to make this pressure balance feature take effect.
- the piston 224 is threaded at 252 to piston 254 .
- Seal 256 and seal pair 250 define a chamber 258 that is accessible to the annulus through open port 260 .
- Chamber 262 is initially isolated from port 260 due to the run in position of seal pair 264 and seals 256 and 266 . Comparing FIGS. 2 b with FIGS.
- piston 254 moves to open seal 256 to allow annulus pressure into chamber 262 so as to propel piston 254 against the resisting atmospheric pressure in chamber 268 defined between seal pairs 264 and 270 .
- Piston 254 is initially in pressure balance from opposed chambers 262 and 268 .
- Piston 254 is attached to piston 272 at threads 274 .
- Chamber 276 is initially isolated from open ports 278 by seal pairs 280 and seals 282 and 284 .
- Chamber 276 is initially at the same pressure as chamber 286 .
- Chamber 286 is defined by seal pairs 288 and 280 .
- Chambers 276 and 286 maintain piston 272 in pressure balance until piston 272 moves to expose seal 282 which allows annulus pressure into chamber 276 from ports 278 . As this movement happens the volume of chamber 286 is reduced and its internal pressure rises to some extent.
- Actuating sleeve 290 is secured to piston 272 at thread 292 . Movement of the sleeve 290 against a tool that is not shown in combination with mandrel 202 being held fixed such as with a running string also not shown is the relative movement that makes the unshown tool go to a set position.
- the pistons 224 , 254 and 272 are secured together for tandem movement. They are in pressure balance as an assembly to annulus pressure because seal pairs 240 and 288 are the same size to present equal and opposite piston areas on the joined pistons. Although three pistons are shown, other numbers of pistons can be used for greater or lesser actuating force as needed. Tying the pistons together allows the use of a singular lock such as the engaged threads 220 and 222 to retain all the pistons. The fact that the pistons are all in pressure balance also allows the use of a less beefy locking system.
- Locating the locking system in a place where there is exposure to the annulus pressure and outside the atmospheric or low pressure chambers such as 248 allows the ability to increase wall thicknesses of components that form such chambers such as the pistons or the underlying mandrel so that greater depths can be used for the setting tool 200 particularly when space restrictions present controlling design parameters.
- pressure balance encompasses conditions of no net force in either direction up to and inclusive of a net force in one direction that is less than 5% of the force applied from either of the opposed chambers acting on a given piston.
- the chamber pressures on opposed sides do not have to be the same.
- the pressures in the opposed chambers can be the same but the opposed piston areas can be different or both the chamber pressures and the piston areas can be different, all within the 5% either directional force from the opposed chambers.
- the tool 200 can be a standalone setting tool or it can be integrated into the subterranean tool that it is setting and the term “setting tool” is intended to cover both configurations.
- the rupture disc 232 is shown oriented to the surrounding annulus it can alternatively be oriented to the passage within the mandrel 202 , 204 and 206 or the bottom sub 208 .
Abstract
Description
Claims (20)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/618,406 US9068413B2 (en) | 2012-09-14 | 2012-09-14 | Multi-piston hydrostatic setting tool with locking feature and pressure balanced pistons |
AU2013315765A AU2013315765B2 (en) | 2012-09-14 | 2013-09-09 | Multi-piston hydrostatic setting tool with locking feature and pressure balanced pistons |
PCT/US2013/058767 WO2014043033A1 (en) | 2012-09-14 | 2013-09-09 | Multi-piston hydrostatic setting tool with locking feature and pressure balanced pistons |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/618,406 US9068413B2 (en) | 2012-09-14 | 2012-09-14 | Multi-piston hydrostatic setting tool with locking feature and pressure balanced pistons |
Publications (2)
Publication Number | Publication Date |
---|---|
US20140076535A1 US20140076535A1 (en) | 2014-03-20 |
US9068413B2 true US9068413B2 (en) | 2015-06-30 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US13/618,406 Active 2033-08-17 US9068413B2 (en) | 2012-09-14 | 2012-09-14 | Multi-piston hydrostatic setting tool with locking feature and pressure balanced pistons |
Country Status (3)
Country | Link |
---|---|
US (1) | US9068413B2 (en) |
AU (1) | AU2013315765B2 (en) |
WO (1) | WO2014043033A1 (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20160053562A1 (en) * | 2013-04-25 | 2016-02-25 | Halliburton Energy Services, Inc. | Methods for autonomously activating a shifting tool |
US9428998B2 (en) | 2013-11-18 | 2016-08-30 | Weatherford Technology Holdings, Llc | Telemetry operated setting tool |
US9523258B2 (en) | 2013-11-18 | 2016-12-20 | Weatherford Technology Holdings, Llc | Telemetry operated cementing plug release system |
US9528346B2 (en) | 2013-11-18 | 2016-12-27 | Weatherford Technology Holdings, Llc | Telemetry operated ball release system |
US9777569B2 (en) | 2013-11-18 | 2017-10-03 | Weatherford Technology Holdings, Llc | Running tool |
US11519244B2 (en) | 2020-04-01 | 2022-12-06 | Weatherford Technology Holdings, Llc | Running tool for a liner string |
US11578560B2 (en) | 2019-10-17 | 2023-02-14 | Weatherford Technology Holdings Llc | Setting tool for a liner hanger |
US11795773B2 (en) | 2020-05-26 | 2023-10-24 | Weatherford Technology Holdings, Llc | Debris collection tool |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9068414B2 (en) * | 2012-09-14 | 2015-06-30 | Baker Hughes Incorporated | Multi-piston hydrostatic setting tool with locking feature and a single lock for multiple pistons |
US9068413B2 (en) * | 2012-09-14 | 2015-06-30 | Baker Hughes Incorporated | Multi-piston hydrostatic setting tool with locking feature and pressure balanced pistons |
US9062506B2 (en) * | 2012-09-14 | 2015-06-23 | Baker Hughes Incorporated | Multi-piston hydrostatic setting tool with locking feature outside actuation chambers for multiple pistons |
US10400534B2 (en) * | 2015-05-28 | 2019-09-03 | Halliburton Energy Services, Inc. | Viscous damping systems for hydrostatically set downhole tools |
CN114183081A (en) * | 2020-09-14 | 2022-03-15 | 中国石油化工股份有限公司 | Releasing and deblocking combined hydraulic packer and operation method thereof |
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US7926575B2 (en) * | 2009-02-09 | 2011-04-19 | Halliburton Energy Services, Inc. | Hydraulic lockout device for pressure controlled well tools |
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2012
- 2012-09-14 US US13/618,406 patent/US9068413B2/en active Active
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2013
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- 2013-09-09 WO PCT/US2013/058767 patent/WO2014043033A1/en active Application Filing
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US4658902A (en) * | 1985-07-08 | 1987-04-21 | Halliburton Company | Surging fluids downhole in an earth borehole |
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Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9689219B2 (en) * | 2013-04-25 | 2017-06-27 | Halliburton Energy Services, Inc. | Methods for autonomously activating a shifting tool |
US20160053562A1 (en) * | 2013-04-25 | 2016-02-25 | Halliburton Energy Services, Inc. | Methods for autonomously activating a shifting tool |
US9970251B2 (en) | 2013-11-18 | 2018-05-15 | Weatherford Technology Holdings, Llc | Telemetry operated setting tool |
US9528346B2 (en) | 2013-11-18 | 2016-12-27 | Weatherford Technology Holdings, Llc | Telemetry operated ball release system |
US9523258B2 (en) | 2013-11-18 | 2016-12-20 | Weatherford Technology Holdings, Llc | Telemetry operated cementing plug release system |
US9777569B2 (en) | 2013-11-18 | 2017-10-03 | Weatherford Technology Holdings, Llc | Running tool |
US9428998B2 (en) | 2013-11-18 | 2016-08-30 | Weatherford Technology Holdings, Llc | Telemetry operated setting tool |
US10221638B2 (en) | 2013-11-18 | 2019-03-05 | Weatherford Technology Holdings, Llc | Telemetry operated cementing plug release system |
US10246965B2 (en) | 2013-11-18 | 2019-04-02 | Weatherford Technology Holdings, Llc | Telemetry operated ball release system |
US10422216B2 (en) | 2013-11-18 | 2019-09-24 | Weatherford Technology Holdings, Llc | Telemetry operated running tool |
US11578560B2 (en) | 2019-10-17 | 2023-02-14 | Weatherford Technology Holdings Llc | Setting tool for a liner hanger |
US11519244B2 (en) | 2020-04-01 | 2022-12-06 | Weatherford Technology Holdings, Llc | Running tool for a liner string |
US11795773B2 (en) | 2020-05-26 | 2023-10-24 | Weatherford Technology Holdings, Llc | Debris collection tool |
Also Published As
Publication number | Publication date |
---|---|
AU2013315765A1 (en) | 2015-03-12 |
AU2013315765B2 (en) | 2016-10-20 |
US20140076535A1 (en) | 2014-03-20 |
WO2014043033A1 (en) | 2014-03-20 |
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